There are 28 species of Andrographis Only a few species are medicinal, of which A. paniculata is the most popular./ Terdapat 28 spesis Hempedu bumi dan yang paling digemari ialah Andrgraphis paniculata.

The herbs is effective against infection and can promote phagocytosis ( process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection). Herba ini sangat mujarab untuk jangkitan dan ianya menolong badan menyerap jangkitan.

Malaysian Agricultural Research and Development Institute (MARDI) had given recognition on the herbs and they had published a book by the name of 'Penanaman tumbuhan ubatan & beraroma', a guide to plant the herbs on plantation scale./ MARDI telah mengakui herba ini dan sebuah buku seperti nama diatas telah diterbitkan sebagai panduan untuk penanaman secara ladang.